Teradek Bolt 4K
firmware v4.4.4
Teradek · Released Sep 5, 2024 · First seen Jul 11, 2026
v4.4.4 is not the latest firmware for the Teradek Bolt 4K: the current version is v4.5.1 (October 6, 2026). Go to v4.5.1
What's in this update
Teradek Bolt 6/Bolt 4K Firmware Version 4.4.4
Components
- Controller: 2.35 (LT/XT), 2.2 (HDMI only)
- TX Video Processor: 1.28.6 (XT), 1.12.4 (LT)
- RX Video Processor: 1.28.7 (XT), 1.12.6 (LT)
- Radio: 7.8.20
New Features
- Added 5/6GHz support for Bolt 6 in Australia region
Changes and
Improvements
- Changed Static Video Optimization default setting to disabled
- Changes to OSD name are now reflected without unpairing and re-pairing devices
Bug Fixes
- HDR metadata was not transmitted, output on RX HDMI
- If pairing failed, unpaired RX would display 'No Link' instead of 'Not Paired'
- Bolt LT HDMI TX was stuck at 5965 MHz when fixed frequency is enabled in U-NII-5 band
- 3D LUT was not applied to RX correctly when sent via Bolt Manager
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